<?php
/**
 * PHPExcel
 *
 * Copyright (c) 2006 - 2013 PHPExcel
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 *
 * @category   PHPExcel
 * @package    PHPExcel_Style
 * @copyright  Copyright (c) 2006 - 2013 PHPExcel (http://www.codeplex.com/PHPExcel)
 * @license    http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt	LGPL
 * @version    1.7.9, 2013-06-02
 */


/**
 * PHPExcel_Style_Conditional
 *
 * @category   PHPExcel
 * @package    PHPExcel_Style
 * @copyright  Copyright (c) 2006 - 2013 PHPExcel (http://www.codeplex.com/PHPExcel)
 */
class PHPExcel_Style_Conditional implements PHPExcel_IComparable {
	/* Condition types */
	const CONDITION_NONE = 'none';
	const CONDITION_CELLIS = 'cellIs';
	const CONDITION_CONTAINSTEXT = 'containsText';
	const CONDITION_EXPRESSION = 'expression';

	/* Operator types */
	const OPERATOR_NONE = '';
	const OPERATOR_BEGINSWITH = 'beginsWith';
	const OPERATOR_ENDSWITH = 'endsWith';
	const OPERATOR_EQUAL = 'equal';
	const OPERATOR_GREATERTHAN = 'greaterThan';
	const OPERATOR_GREATERTHANOREQUAL = 'greaterThanOrEqual';
	const OPERATOR_LESSTHAN = 'lessThan';
	const OPERATOR_LESSTHANOREQUAL = 'lessThanOrEqual';
	const OPERATOR_NOTEQUAL = 'notEqual';
	const OPERATOR_CONTAINSTEXT = 'containsText';
	const OPERATOR_NOTCONTAINS = 'notContains';
	const OPERATOR_BETWEEN = 'between';

	/**
	 * Condition type
	 *
	 * @var int
	 */
	private $_conditionType;

	/**
	 * Operator type
	 *
	 * @var int
	 */
	private $_operatorType;

	/**
	 * Text
	 *
	 * @var string
	 */
	private $_text;

	/**
	 * Condition
	 *
	 * @var string[]
	 */
	private $_condition = array();

	/**
	 * Style
	 *
	 * @var PHPExcel_Style
	 */
	private $_style;

	/**
	 * Create a new PHPExcel_Style_Conditional
	 */
	public function __construct() {
		// Initialise values
		$this->_conditionType = PHPExcel_Style_Conditional::CONDITION_NONE;
		$this->_operatorType = PHPExcel_Style_Conditional::OPERATOR_NONE;
		$this->_text = null;
		$this->_condition = array();
		$this->_style = new PHPExcel_Style(false, true);
	}

	/**
	 * Get Condition type
	 *
	 * @return string
	 */
	public function getConditionType() {
		return $this->_conditionType;
	}

	/**
	 * Set Condition type
	 *
	 * @param string $pValue PHPExcel_Style_Conditional condition type
	 *
	 * @return PHPExcel_Style_Conditional
	 */
	public function setConditionType($pValue = PHPExcel_Style_Conditional::CONDITION_NONE) {
		$this->_conditionType = $pValue;

		return $this;
	}

	/**
	 * Get Operator type
	 *
	 * @return string
	 */
	public function getOperatorType() {
		return $this->_operatorType;
	}

	/**
	 * Set Operator type
	 *
	 * @param string $pValue PHPExcel_Style_Conditional operator type
	 *
	 * @return PHPExcel_Style_Conditional
	 */
	public function setOperatorType($pValue = PHPExcel_Style_Conditional::OPERATOR_NONE) {
		$this->_operatorType = $pValue;

		return $this;
	}

	/**
	 * Get text
	 *
	 * @return string
	 */
	public function getText() {
		return $this->_text;
	}

	/**
	 * Set text
	 *
	 * @param string $value
	 *
	 * @return PHPExcel_Style_Conditional
	 */
	public function setText($value = null) {
		$this->_text = $value;

		return $this;
	}

	/**
	 * Get Condition
	 *
	 * @deprecated Deprecated, use getConditions instead
	 * @return string
	 */
	public function getCondition() {
		if (isset($this->_condition[0]))
		{
			return $this->_condition[0];
		}

		return '';
	}

	/**
	 * Set Condition
	 *
	 * @deprecated Deprecated, use setConditions instead
	 *
	 * @param string $pValue Condition
	 *
	 * @return PHPExcel_Style_Conditional
	 */
	public function setCondition($pValue = '') {
		if (!is_array($pValue))
			$pValue = array($pValue);

		return $this->setConditions($pValue);
	}

	/**
	 * Get Conditions
	 *
	 * @return string[]
	 */
	public function getConditions() {
		return $this->_condition;
	}

	/**
	 * Set Conditions
	 *
	 * @param string[] $pValue Condition
	 *
	 * @return PHPExcel_Style_Conditional
	 */
	public function setConditions($pValue) {
		if (!is_array($pValue))
			$pValue = array($pValue);

		$this->_condition = $pValue;

		return $this;
	}

	/**
	 * Add Condition
	 *
	 * @param string $pValue Condition
	 *
	 * @return PHPExcel_Style_Conditional
	 */
	public function addCondition($pValue = '') {
		$this->_condition[] = $pValue;

		return $this;
	}

	/**
	 * Get Style
	 *
	 * @return PHPExcel_Style
	 */
	public function getStyle() {
		return $this->_style;
	}

	/**
	 * Set Style
	 *
	 * @param    PHPExcel_Style $pValue
	 *
	 * @throws    PHPExcel_Exception
	 * @return PHPExcel_Style_Conditional
	 */
	public function setStyle(PHPExcel_Style $pValue = null) {
		$this->_style = $pValue;

		return $this;
	}

	/**
	 * Get hash code
	 *
	 * @return string    Hash code
	 */
	public function getHashCode() {
		return md5($this->_conditionType . $this->_operatorType . implode(';', $this->_condition) . $this->_style->getHashCode() . __CLASS__);
	}

	/**
	 * Implement PHP __clone to create a deep clone, not just a shallow copy.
	 */
	public function __clone() {
		$vars = get_object_vars($this);
		foreach ($vars as $key => $value)
		{
			if (is_object($value))
			{
				$this->$key = clone $value;
			}
			else
			{
				$this->$key = $value;
			}
		}
	}
}
